a. [ Pref. anti- + Gr. "e`lmins, -inqos, worm, esp. a tapeworm, or mawworm. See also helminth] (Med.) capable of expelling or destroying parasitic worms. -- n. An anthelmintic remedy. [Written also anthelminthic.]
Syn. -- helminthic, parasiticidal [1913 Webster WordNet 1.5 +PJC]

{ ‖ } n. pl. [ NL., fr. Gr. &unr_; within + &unr_;, &unr_;, worm. ] (Zoöl.) Intestinal worms. See Helminthes. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, a worm. ] (Zool.) An intestinal worm, or wormlike intestinal parasite; one of the Helminthes. [ 1913 Webster ]

n. [ Gr. &unr_; a worm + &unr_; to drive. ] (Med.) A vermifuge. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;, &unr_;, a worm. ] (Zool.) One of the grand divisions or branches of the animal kingdom. It is a large group including a vast number of species, most of which are parasitic. Called also Enthelminthes, Enthelmintha. [ 1913 Webster ]

☞ The following classes are included, with others of less importance: Cestoidea (tapeworms), Trematodea (flukes, etc.), Turbellaria (planarians), Acanthocephala (thornheads), Nematoidea (roundworms, trichina, gordius), Nemertina (nemerteans). See Plathelminthes, and Nemathelminthes. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; to suffer from worms, fr. &unr_;, &unr_;, a worm. ] (Med.) A disease in which worms are present in some part of the body. [ 1913 Webster ]

a. [ Cf. F. helminthique. ] Of or relating to worms, or Helminthes; expelling worms. -- n. A vermifuge; an anthelmintic. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, a worm. ] (Geol.) One of the sinuous tracks on the surfaces of many stones, and popularly considered as worm trails. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, a worm + -oid. ] Wormlike; vermiform.

{ } a. [ Cf. F. helminthologique. ] Of or pertaining to helminthology. [ 1913 Webster ]

n. [ Cf. F. helminthologiste. ] One versed in helminthology. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, a worm + -logy: cf. F. helminthologie. ] The natural history, or study, of worms, esp. parasitic worms. [ 1913 Webster ]

{ ‖‖, prop. n. pl. [ NL. See Nemato-, and Helminthes. ] (Zool.) An order of helminths, including the Nematoidea and Gordiacea; the roundworms. [ Written also Nematelminthea. ] [ 1913 Webster ]

n. (Zool.) A member of the Platyhelminthes. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) Same as Platyelminthes; -- an older term. [ 1913 Webster +PJC ]